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Finding the Fourth Proportional to 197,265, 272,226.66 and 107,841

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Solution

The fourth proportional to 197,265, 272,226.66 and 107,841 is: 148,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,265 : 272,226.66 = 107,841 : x
  2. Step 2: Convert to fraction form
    197,265/272,226.66 = 107,841/x
  3. Step 3: Cross multiply
    197,265x = 272,226.66 × 107,841
  4. Step 4: Simplify right side
    197,265x = 29,357,195,241.06
  5. Step 5: Solve for x
    x = 29,357,195,241.06/197,265
  6. Step 6: Final answer
    x = 148,821.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.